A laser precision cutting apparatus

Abstract

The application discloses a kind of laser precision cutting equipment, belong to cutting equipment field;Including rack, conveying mechanism, conveying mechanism includes conveyor belt, the top of conveyor belt is equipped with for separating multiple layers of cloth limiting mechanism, limiting mechanism includes pressing plate, the bottom of pressing plate is equipped with for adsorbing cloth suction mechanism, the both sides in the inside of rack are equipped with magnetic attraction mechanism;The application in running process, first of all, utilize the elastic laminated structure of multiple independent pressing plate and spring ring, realize effective separation and preliminary location to each layer cloth in physical space;Subsequently, with the negative pressure adsorption unit and magnetic attraction mechanism installed in the bottom of each pressing plate, in the conveying stage, it is completed to each layer cloth accurate pre-alignment and no slip synchronous motion;When cloth enters cutting station, hydraulic drive system pushes entire pressing plate laminated and uniformly presses down, realize to multiple layers of cloth global stable clamping, effectively avoid the possible interlayer movement phenomenon in laser processing process.

Description

Technical Field

[0001] This invention relates to the field of cutting equipment technology, and more specifically, to a laser precision cutting device. Background Technology

[0002] With the rise of consumption upgrading and personalized customization, the ribbon jewelry industry is rapidly developing towards more complex products, more refined designs, and more flexible production. Traditional mechanical cutting methods are limited by molds and are difficult to process ribbon products with complex contours and microstructures efficiently and accurately. Laser precision cutting technology, due to its non-contact, flexible, and high-precision characteristics, has become a key means to achieve the above-mentioned high-end processing. In particular, in order to meet the pursuit of efficiency in large-scale production, the industry generally adopts the process of stacking multiple layers of ribbon and then cutting them in one go, in order to significantly increase production capacity and reduce unit cost.

[0003] Currently, for laser cutting of multi-layered webbing, most methods involve laying dozens of layers of webbing material flat on the cutting worktable, fixing them with surrounding mechanical blocks or simple vacuum adsorption, and then using a laser beam with fixed parameters to make a one-time through-cut along a set path. During this process, the laser power, speed, and auxiliary gas pressure are usually kept constant, and the dust generated during cutting is mainly extracted by a negative pressure dust extraction device under the worktable.

[0004] However, during the cutting process, simple peripheral fixing methods are difficult to uniformly constrain the soft and smooth fabric layers. Under the disturbance of the high-speed movement of the laser head and the auxiliary airflow, the fabric layers are prone to relative sliding, resulting in inconsistent cutting patterns and seriously damaging the consistency and accuracy of batch products. Summary of the Invention

[0005] In view of the problems existing in the prior art, the purpose of this invention is to provide a laser precision cutting device, which aims to solve the above-mentioned technical problems.

[0006] To solve the above problems, the present invention adopts the following technical solution.

[0007] A laser precision cutting device includes a frame, with a support platform fixedly installed inside the frame; a conveying mechanism for conveying fabric is provided on the outer surface of the support platform, the conveying mechanism including a conveyor belt wrapped around the outer surface of the support platform and a power component for driving the conveyor belt to move; a linear motor is fixedly installed at the rear end of the frame, and a laser cutter for cutting the fabric is provided at the output end of the linear motor; a limiting mechanism for separating multiple layers of fabric is provided directly above the conveyor belt.

[0008] The limiting mechanism includes several pressure plates positioned directly above the conveyor belt. Spring coils are fixedly connected to the four corners of each pressure plate, and side baffles are fixedly connected to both sides of the upper surface of the bottom pressure plate. Support plates and L-shaped plates penetrating the frame are fixedly connected to both sides of the upper surface of the top pressure plate. A fixing block fixedly connected to the frame and a first hydraulic rod providing downward pressure to the pressure plates are located directly above the support plate and L-shaped plate. A suction mechanism for adsorbing fabric is located at the bottom of each pressure plate, and magnetic suction mechanisms for synchronously moving the fabric are located on both sides inside the frame. Multiple layers of fabric are separated by the pressure plates, and the fabric is adsorbed by the suction mechanism and moved by the magnetic suction mechanism to synchronously transport multiple layers. When the fabric reaches the cutting area, the first hydraulic rod presses down on the pressure plates to fix the fabric, ensuring the stability of the fabric cutting process.

[0009] As a further aspect of the present invention: a collection hopper is slidably connected to one side of the bottom of the frame; the power assembly includes rotating rods disposed on both sides of the support platform; support rollers are fixedly connected to the outer circular surfaces of the rotating rods; a first gear is fixedly connected to both ends of the rotating rods; a first gear belt is sleeved on the outer surface of the first gear; and a first servo motor is fixedly connected to the rotating rods on one side of the rear output end of the frame; the rotating rods are driven to rotate by the first servo motor, which further drives the conveyor belt on the support rollers to rotate, thereby ensuring the normal conveying of the fabric.

[0010] As a further aspect of the present invention: the front end of the frame is provided with a plurality of winding rods for winding fabric, and the two ends of the winding rods are provided with auxiliary mechanisms for use in conjunction with the conveying mechanism to synchronously convey multiple layers of fabric; the auxiliary mechanism includes a plurality of bearing rods provided at the front conveying end of the frame, the bearing rods are rotatably connected to the inside of the frame, and the bearing rods are fixedly connected to a stop block near the inner side wall of the frame; both ends of the rotating rod located at the front conveying end of the frame are fixedly connected to a second pulley, one end of the bearing rod passes through the frame and is fixedly connected to a first pulley, and the outer surfaces of the second pulley and the first pulley are covered with a belt; the other end of the bearing rod is provided with a receiving component for supporting the winding rod.

[0011] As a further embodiment of the present invention: the receiving component includes a first support frame fixedly connected to the bottom of the other end of the bearing rod, a slot frame fixedly connected to the outer surface of the first support frame, and a card plate adapted to the slot frame on the outer surface of both ends of the winding rod. The upper surface of the winding rod is covered with a second support frame that works in conjunction with the first support frame, and a first locking sleeve and a second locking sleeve are threaded to both ends of the first support frame, respectively.

[0012] As a further aspect of the present invention: the frame is provided with an adjustment mechanism for changing the position of the magnetic suction mechanism, and a support component for supporting the adjustment mechanism; the fabric is adsorbed by the suction mechanism, and the magnetic suction mechanism is used to maintain and drive the adsorbed fabric to move synchronously along the conveyor belt conveying direction, so as to ensure the synchronous transportation of multiple layers of fabric.

[0013] As a further embodiment of the present invention: the suction mechanism includes a storage cylinder disposed on one side of the bottom of the pressure plate, with a second magnetic block fixedly connected to both ends of the storage cylinder, and an electric suction pump fixedly connected to the middle of the inside of the storage cylinder, with a suction tube fixedly connected to one output end of the electric suction pump and a delivery pipe fixedly connected to the other output end; a multi-channel conduit is fixedly connected to one end of the suction tube, and an anti-clogging and breathable mesh is fixedly connected to the suction end of the multi-channel conduit; a circular groove adapted to the multi-channel conduit is opened at the bottom of the inside of the storage cylinder; an exhaust pipe is fixedly connected to one end of the delivery pipe, and exhaust holes adapted to the exhaust pipe are opened inside both the storage cylinder and the second magnetic block.

[0014] As a further aspect of the present invention: the anti-clogging and breathable mesh is hemispherical and hollow, and its bottom edge is tangent to the outer circular surface of the storage tube.

[0015] As a further aspect of the present invention: the support assembly includes support plates disposed at both ends inside the frame, and a second hydraulic rod is fixedly connected to both ends of the bottom of the support plate. A rectangular frame is fixedly connected to one end of the second hydraulic rod, and a first suspension frame and a second suspension frame for supporting the adjustment mechanism are fixedly connected to both sides of the rectangular frame, respectively.

[0016] As a further aspect of the present invention: the adjustment mechanism includes a second servo motor fixedly connected to one end of the second suspension frame, the output end of the second servo motor being fixedly connected to a lead screw, and one end of the lead screw being rotatably connected to the first suspension frame; the other end of the second suspension frame is provided with a slide rod fixedly connected to the first suspension frame, the outer surface of the slide rod is slidably connected to a sliding sleeve, the bottom of the sliding sleeve is fixedly connected to a receiving plate, and one side of the receiving plate is provided with a threaded sleeve threadedly connected to the lead screw.

[0017] As a further aspect of the present invention: the magnetic attraction mechanism includes fixed plates fixedly connected to both ends of the bottom of the receiving plate, brackets fixedly connected to the middle of both sides of the fixed plates, and limit seats fixedly connected to the fixed plates through the brackets. The limit seats and the interior of the fixed plates are rotatably connected to drive rods arranged linearly, and one end of the drive rod at the highest point passes through the fixed plate and is fixedly connected to a third servo motor; a second gear is fixedly connected to the middle of the outer circle of the drive rod, and a second gear belt is fitted on the outer circle of the second gear, and a first magnetic block fixedly connected to the drive rod is provided on the side near the limit seat.

[0018] Compared with the prior art, the technical solution provided by the present invention has at least the following beneficial effects:

[0019] This solution utilizes a limiting mechanism, a suction mechanism, and a magnetic attraction mechanism. During operation, it first employs an elastic stacked structure composed of multiple independent pressure plates and spring coils to effectively separate and initially limit the fabric layers in physical space. Subsequently, with the help of negative pressure suction mechanisms and magnetic attraction mechanisms installed at the bottom of each pressure plate, precise pre-alignment and slip-free synchronous movement of each fabric layer are achieved during the conveying stage. When the fabric enters the cutting station, the hydraulic drive system pushes the entire stacked pressure plates downwards evenly, achieving stable clamping of the multi-layered fabric and effectively avoiding interlayer movement that may occur during laser processing. After cutting, each mechanism automatically resets, and the system enters the next working cycle. This system not only significantly improves the contour consistency and product yield of multi-layered fabric cutting but also enhances the equipment's process adaptability and production continuity for fabrics with different numbers of layers and different materials, thereby effectively improving the processing efficiency of batch ribbon ornaments.

[0020] This solution utilizes a conveying mechanism and auxiliary mechanisms. During operation, the clamping plates at both ends of the winding rod, which is wrapped with fabric, are embedded into the clamping slots to achieve radial positioning. At the same time, the use of a receiving component makes the installation and disassembly of the winding rod simple and quick, significantly reducing downtime when changing fabric rolls and improving the overall utilization rate of the equipment and production continuity. Meanwhile, during the fabric conveying process, the power of the main drive rod is precisely and synchronously transmitted to each carrying rod through a belt drive system, fundamentally solving the problem of asynchronous feeding of multiple fabric rolls due to differences in inertia or resistance.

[0021] By incorporating a support assembly, adjustment mechanism, and magnetic attraction mechanism, the system precisely adjusts the spatial position of the magnetic attraction mechanism during fabric conveying and cutting. This ensures optimal magnetic coupling between the first magnetic block and the second magnetic block above the fabric. During the conveying phase, the system drives the first magnetic block to rotate periodically, generating directional magnetic traction to achieve slip-free synchronous fabric movement. Before cutting, the system can quickly move out and lift, completely avoiding the laser head. Furthermore, the magnetic rotation allows a small amount of fabric to wrap around the adsorption surface, enhancing positioning. After cutting, reverse rotation assists in separating the fabric, effectively preventing thermal adhesion. Finally, the system works with the collection hopper to smoothly collect the material, significantly improving overall cutting efficiency. Attached Figure Description

[0022] The accompanying drawings, which are incorporated herein and form part of the specification, illustrate embodiments of the invention and, together with the specification, further serve to explain the principles of the invention and enable those skilled in the art to practice and use the invention.

[0023] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 This is a cross-sectional view of the frame of the present invention;

[0025] Figure 3 This is a structural breakdown diagram of the auxiliary mechanism of the present invention;

[0026] Figure 4 This is a schematic diagram showing the connection between the support component and the adjustment mechanism of the present invention;

[0027] Figure 5 This is a schematic diagram of the magnetic attraction mechanism of the present invention;

[0028] Figure 6 This is an internal sectional view of the suction mechanism of the present invention.

[0029] Figure 7 This is a front view of the limiting mechanism of the present invention;

[0030] Figure 8 This is a top side view of the limiting mechanism of the present invention.

[0031] Figure label:

[0032] 1. Frame; 2. Support platform; 3. Conveying mechanism; 31. Conveyor belt; 32. Rotating rod; 33. Gear No. 1; 34. First servo motor; 35. Gear belt No. 1;

[0033] 4. Auxiliary mechanism; 41. Bearing rod; 42. First pulley; 43. Belt; 44. Second pulley; 45. Stop block; 46. First support bracket; 47. Slot bracket; 48. Second support bracket; 49. First locking sleeve; 410. Second locking sleeve;

[0034] 5. Winding rod; 51. Clamping plate; 6. Linear motor; 7. Laser cutter;

[0035] 8. Limiting mechanism; 81. Pressure plate; 82. Spring coil; 83. Side baffle; 84. Support plate; 85. Fixing block; 86. First hydraulic rod; 87. L-shaped plate;

[0036] 9. Support assembly; 91. Support plate; 92. Second hydraulic rod; 93. Rectangular frame; 94. First suspension bracket; 95. Second suspension bracket;

[0037] 10. Adjustment mechanism; 101. Second servo motor; 102. Lead screw; 103. Slide rod; 104. Sliding sleeve; 105. Threaded sleeve; 106. Receiving plate;

[0038] 11. Magnetic attraction mechanism; 111. Fixing plate; 112. Bracket; 113. Limiting seat; 114. Drive rod; 115. Third servo motor; 116. Gear No. 2; 117. Gear belt No. 2; 118. Magnetic block No. 1;

[0039] 12. Suction mechanism; 121. Storage cylinder; 122. No. 2 magnetic block; 123. Electric suction pump; 124. Suction tube; 125. Multi-channel conduit; 126. Anti-clogging and breathable mesh; 127. Delivery pipe; 128. Exhaust pipe; 129. Exhaust hole; 13. Collection hopper.

[0040] As shown in the figure, specific structures and devices are marked in the figure to clearly illustrate the structure of the embodiments of the present invention. However, this is only for illustrative purposes and is not intended to limit the present invention to this specific structure, device and environment. Those skilled in the art can adjust or modify these devices and environments according to specific needs. Detailed Implementation

[0041] The laser precision cutting device provided by the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art can use other alternative methods to implement some known technologies; moreover, the accompanying drawings are only for more specific description of the embodiments and are not intended to specifically limit the present invention.

[0042] like Figures 1 to 8 As shown, this embodiment of the invention provides a laser precision cutting device, including a frame 1, with a support platform 2 fixedly installed inside the frame 1; a conveying mechanism 3 for conveying fabric is provided on the outer surface of the support platform 2, the conveying mechanism 3 including a conveyor belt 31 wrapped around the outer surface of the support platform 2 and a power component for driving the conveyor belt 31 to move; a linear motor 6 is fixedly installed at the rear end inside the frame 1, and a laser cutter 7 for cutting fabric is provided at the output end of the linear motor 6; a limiting mechanism 8 for separating multiple layers of fabric is provided directly above the conveyor belt 31.

[0043] The limiting mechanism 8 includes several pressure plates 81 positioned directly above the conveyor belt 31. Spring coils 82 are fixedly connected to the four corners of each pressure plate 81. Side baffles 83 are fixedly connected to both sides of the upper surface of the bottom pressure plate 81. Support plates 84 and L-shaped plates 87, penetrating the frame 1, are fixedly connected to both sides of the upper surface of the top pressure plate 81. A fixing block 85, fixedly connected to the frame 1, and a pressure plate 83 are respectively positioned above the support plate 84 and the L-shaped plate 87. 1. A first hydraulic rod 86 provides downward pressure; the bottom of the pressure plate 81 is provided with a suction mechanism 12 for adsorbing the fabric, and both sides inside the frame 1 are provided with magnetic suction mechanisms 11 for driving the fabric to move synchronously; multiple layers of fabric are separated by several pressure plates 81, and the fabric is adsorbed by the suction mechanism 12 and driven by the magnetic suction mechanism 11 to synchronously transport multiple layers of fabric. When it reaches the cutting area, the pressure plate 81 is pressed down by the first hydraulic rod 86 to fix the fabric and ensure the stability of the fabric cutting.

[0044] To address the core technical problems of existing laser cutting equipment when processing multi-layered soft fabrics, such as asynchronous conveying, inaccurate pre-positioning, and relative slippage between layers due to uneven fixed pressure during cutting, which ultimately leads to deviations in the cut pattern and poor product consistency, the above-mentioned technical solution is adopted to solve these problems.The above technical solution mainly consists of a conveying mechanism 3, a limiting mechanism 8, a suction mechanism 12, a magnetic suction mechanism 11, and a laser cutter 7. Before use, a corresponding number of pressure plates 81 are configured according to the number of layers of fabric to be cut. These pressure plates 81 are elastically connected by spring rings 82 at the four corners to form a compressible stacked structure. The side baffle 83 on the bottom pressure plate 81 extends upward through all the upper pressure plates, providing lateral guidance and limiting for the entire stack. The multiple layers of fabric are introduced under each pressure plate 81, thus being physically separated and initially limited in space, avoiding initial stacking and entanglement between layers. After starting the equipment, the power component of the conveying mechanism 3 drives the conveyor belt 31 to start moving. Simultaneously, the suction mechanism 12 installed at the bottom of each pressure plate 81 begins to operate, generating an adsorption force to gently but firmly adhere the corresponding layer of fabric to the bottom surface of the pressure plate 81, preventing the fabric from sagging or drifting due to looseness during the initial conveying process. Furthermore, during the adsorption of the fabric using the suction mechanism 12, a magnetic attraction mechanism 11 generates a magnetic force that interacts with the magnetic components on the suction mechanism 12. This magnetic attraction is not used for direct pressing but rather forms a lateral traction coupling, ensuring that each layer of fabric, supported by the pressure plate 81, moves along the forward direction of the conveyor belt 31. The position of the suction mechanism 12 is controlled by the magnetic attraction mechanism 11, effectively preventing the fabric from sagging or drifting due to differences in friction between layers during conveying. The relative slippage ensures precise "pre-alignment" for high-precision cutting. When the multi-layered fabric, being synchronously conveyed, reaches the workstation below the laser cutter 7, the suction mechanism 12 disengages from the pressure plate 81. Through the magnetic rotation of the magnetic suction mechanism 11, a portion of the fabric to be cut wraps around the suction mechanism 12, preventing it from falling off during cutting. When a small portion of the fabric at the cutting end is wrapped, the first hydraulic rod 86 is activated, causing its piston rod to push the support plate 84 and L-shaped plate 87 downwards. Since the support plate 84 and L-shaped plate 87 are fixedly connected to the top pressure plate 81, the entire stack of pressure plates 81 overcomes the elastic force of the spring coil 82 and is pressed down as a whole. During this process, the spring coil... The elasticity of the spring coil 82 ensures that the pressure is evenly distributed on each layer of pressure plate 81, thereby pressing each layer of fabric evenly onto the conveyor belt 31. Subsequently, the linear motor 6 drives the laser cutter 7 to perform high-speed precision cutting. At this time, since all fabric layers have been firmly fixed, the cutting heat and auxiliary airflow will not cause interlayer misalignment, ensuring the complete consistency of the cutting pattern from the top layer to the bottom layer. After the cutting is completed, the first hydraulic rod 86 retracts, and the pressure plate 81 stack rises as a whole under the restoring force of the spring coil 82, releasing the pressure on the fabric. The conveying mechanism 3 starts again, sending out the cut segment. The new fabric segment is synchronously conveyed to the cutting station under the cooperation of the suction mechanism 12 and the magnetic suction mechanism 11, and the cycle begins.

[0045] like Figures 1 to 8As shown, a collection hopper 13 is slidably connected to one side of the bottom of the frame 1. The power assembly includes rotating rods 32 located on both sides of the support platform 2. Support rollers are fixedly connected to the outer circular surface of the rotating rods 32. A first gear 33 is fixedly connected to both ends of the rotating rods 32. A first gear belt 35 is sleeved on the outer surface of the first gear 33. A first servo motor 34 is fixedly connected to the rotating rods 32 on one side of the rear output end of the frame 1. The rotating rods 32 are driven to rotate by the first servo motor 34, which in turn drives the conveyor belt 31 on the support rollers to rotate, so as to ensure the normal conveying of the fabric.

[0046] like Figures 1 to 8 As shown, the front end of the frame 1 is provided with several winding rods 5 for winding fabric, and the two ends of the winding rods 5 are provided with auxiliary mechanisms 4 for use with the conveying mechanism 3 to synchronously convey multiple layers of fabric; the auxiliary mechanism 4 includes several bearing rods 41 located at the front conveying end of the frame 1, the bearing rods 41 are rotatably connected to the inside of the frame 1, and the bearing rods 41 are fixedly connected with a stop block 45 near the inner side wall of the frame 1; the two ends of the rotating rod 32 located at the front conveying end of the frame 1 are fixedly connected with a second pulley 44, one end of the bearing rod 41 passes through the frame 1 and is fixedly connected to a first pulley 42, and the outer surfaces of the second pulley 44 and the first pulley 42 are jointly fitted with a belt 43; the other end of the bearing rod 41 is provided with a receiving component for supporting the winding rods 5.

[0047] like Figures 1 to 8 As shown, the receiving component includes a first support bracket 46 fixedly connected to the bottom of the other end of the bearing rod 41. A slot bracket 47 is fixedly connected to the outer surface of the first support bracket 46. The outer surfaces of both ends of the winding rod 5 are provided with a card plate 51 that is compatible with the slot bracket 47. The upper surface of the winding rod 5 is covered with a second support bracket 48 that is used in conjunction with the first support bracket 46. The two ends of the first support bracket 46 are respectively threaded with a first locking sleeve 49 and a second locking sleeve 410.

[0048] To address the issues of asynchronous and stable feeding of multiple rolls of raw material during laser precision cutting of multi-layer fabrics, and the cumbersome material changing operations that impact production efficiency, this system employs a method where the clamping plates 51 at both ends of the winding rod 5, which is wound with fabric, are embedded into the clamping slot frame 47 for radial positioning. Subsequently, the second support frame 48 is placed over the winding rod 5, and by tightening the first locking sleeve 49 and the second locking sleeve 410, the second support frame 48 is secured to the bottom first support frame 46, thus gripping the winding rod 5 from both top and bottom, achieving a quick and stable installation. During this process, the stop block 45 prevents axial movement of the fabric roll during feeding. When conveying... When mechanism 3 is started, the first servo motor 34 drives the rear rotating rod 32 to rotate, and the same rotating rod 32 located at the front conveying end of the equipment rotates synchronously (the two rotating rods 32 with the same structure and function are located at the front and rear output ends of the frame 1 respectively). The second pulley 44 at both ends drives the first pulley 42 at the end of each bearing rod 41 to rotate through the belt 43, so that all bearing rods 41 can rotate synchronously at the same speed. At the same time, the winding rod 5 and the fabric roll installed on the bearing rod 41 are thus driven to release material synchronously, ensuring that the multi-layer fabric is released at the same linear speed, thereby effectively avoiding uneven fabric tension or pulling caused by the difference in release speed. Furthermore, the fabric released from each winding rod 5 is guided and laid flat on the conveyor belt 31. The conveyor belt 31 is supported by the support roller on the outer surface of the rotating rod 32 and driven by the synchronous transmission system composed of the first gear 33 and the first gear belt 35 to ensure smooth operation. This allows the fabric to be transported to the laser cutting area for processing. The cut fabric is then collected in the collection hopper 13 for easy centralized cleaning. During the above operation, the power of the main drive rod 32 is precisely and synchronously transmitted to each bearing rod 41 through the belt drive system 43. This fundamentally solves the problem of asynchronous feeding of multiple fabric rolls due to different inertia or resistance, laying a solid foundation for the precise alignment and synchronous conveying of subsequent multi-layer fabrics. It also avoids fabric slack, wrinkles, or accidental stretching caused by differences in feeding speed. At the same time, the use of the receiving component makes the installation and disassembly of the winding rod 5 simple and quick, significantly reducing downtime when changing fabric rolls and improving the overall utilization rate and production continuity of the equipment. Furthermore, the combination of synchronous feeding and stable conveyor belt 31 ensures that the fabric maintains appropriate tension and good flatness before entering the cutting area, which is beneficial to improving the accuracy and edge quality of laser cutting.

[0049] like Figures 1 to 8 As shown, the frame 1 is equipped with an adjustment mechanism 10 for changing the position of the magnetic suction mechanism 11, and a support component 9 for supporting the adjustment mechanism 10. The fabric is adsorbed by the suction mechanism 12, and the magnetic suction mechanism 11 is used to maintain the adsorbed fabric moving synchronously along the conveying direction of the conveyor belt 31 to ensure the synchronous transportation of multiple layers of fabric.

[0050] like Figures 1 to 8 As shown, the suction mechanism 12 includes a storage cylinder 121 located on one side of the bottom of the pressure plate 81. Two magnetic blocks 122 are fixedly connected to both ends of the storage cylinder 121. An electric suction pump 123 is fixedly connected to the middle of the inside of the storage cylinder 121. One output end of the electric suction pump 123 is fixedly connected to a suction tube 124, and the other output end is fixedly connected to a delivery tube 127. One end of the suction tube 124 is fixedly connected to a multi-channel conduit 125, and the suction end of the multi-channel conduit 125 is fixedly connected to an anti-clogging and breathable mesh 126. A circular slot adapted to the multi-channel conduit 125 is opened at the bottom of the storage cylinder 121. One end of the delivery tube 127 is fixedly connected to an exhaust pipe 128, and exhaust holes 129 adapted to the exhaust pipe 128 are opened inside both the storage cylinder 121 and the two magnetic blocks 122.

[0051] like Figures 1 to 8 As shown, the anti-clogging and breathable mesh 126 is hemispherical and hollow, and its bottom edge is tangent to the outer surface of the storage tube 121.

[0052] To address the issues of asynchronous speeds caused by slight differences in friction coefficients between layers during the transport of multi-layered fabrics, and the potential damage or interference from traditional mechanical clamping during adsorption and fixation, an electric suction pump 123 is activated after the multi-layered fabric is introduced under each layer pressure plate 81. Airflow is drawn in through the suction pipe 124 and multi-channel conduit 125 via an anti-clogging breathable mesh 126. The bottom edge of the hemispherical anti-clogging breathable mesh 126, tangent to the outer surface of the storage cylinder 121, effectively prevents thin fabrics or thread ends from being completely sucked in and clogging the mesh, ensuring stable negative pressure. The generated negative pressure gently adsorbs the corresponding layer of fabric onto the bottom surface of the storage cylinder 121, achieving initial fabric positioning. Simultaneously, the magnetic attraction mechanism 11 activates, using the second hydraulic rod 92 to adjust its overall height. Then, the second servo motor 101 is activated, driving the lead screw 102 to rotate, thus rotating the receiving plate 106 and its magnetic attraction mechanism. The mechanism 11 moves laterally along the slide bar 103, thereby precisely adjusting the first magnetic block 118 on the magnetic attraction mechanism 11 to the position directly opposite the second magnetic block 122 on the suction mechanism 12. The magnetic attraction between the two forms a non-contact lateral traction coupling that passes through the fabric. This magnetic force ensures that the fabric layer can strictly follow the transport direction of the conveyor belt 31, thereby achieving precise synchronous transport of multiple layers of fabric without slippage. When the fabric is transported to the cutting station and needs to be pressed, the adjustment mechanism 10 can quickly move the magnetic attraction mechanism 11 laterally out of the cutting area, and the support component 9 can also lift it, perfectly avoiding the downward pressing action of the subsequent pressure plate 81 and the laser cutting path, thus avoiding mechanism interference. In addition, the small amount of air flow sucked in by the electric suction pump 123 can be orderly discharged from the exhaust hole 129 through the conveying pipe 127 and the exhaust pipe 128. This airflow helps to blow away the fine fiber dust that may accumulate on the surface of the second magnetic block 122, keeping the magnetic components clean.

[0053] like Figures 1 to 8 As shown, the support assembly 9 includes support plates 91 located at both ends inside the frame 1. The bottom ends of the support plates 91 are fixedly connected to the second hydraulic rods 92. One end of the second hydraulic rods 92 is fixedly connected to a rectangular frame 93. The two sides of the rectangular frame 93 are respectively fixedly connected to a first suspension frame 94 and a second suspension frame 95 for supporting the adjustment mechanism 10.

[0054] like Figures 1 to 8 As shown, the adjustment mechanism 10 includes a second servo motor 101 fixedly connected to one end of the second suspension frame 95. The output end of the second servo motor 101 is fixedly connected to a lead screw 102, and one end of the lead screw 102 is rotatably connected to the first suspension frame 94. The other end of the second suspension frame 95 is provided with a slide rod 103 fixedly connected to the first suspension frame 94. A slide sleeve 104 is slidably connected to the outer surface of the slide rod 103. A receiving plate 106 is fixedly connected to the bottom of the slide sleeve 104. A threaded sleeve 105 is provided on one side of the receiving plate 106 and threadedly connected to the lead screw 102.

[0055] like Figures 1 to 8 As shown, the magnetic attraction mechanism 11 includes a fixed plate 111 fixedly connected to both ends of the bottom of the receiving plate 106. A bracket 112 is fixedly connected to the middle of both sides of the fixed plate 111. The fixed plate 111 is fixedly connected to a limiting seat 113 through the bracket 112. The limiting seat 113 and the interior of the fixed plate 111 are rotatably connected to a linearly arranged drive rod 114. One end of the drive rod 114 at the highest point passes through the fixed plate 111 and is fixedly connected to a third servo motor 115. A second gear 116 is fixedly connected to the middle of the outer circle of the drive rod 114. A second gear belt 117 is sleeved on the outer circle of the second gear 116. A first magnetic block 118 is fixedly connected to the drive rod 114 on the side near the limiting seat 113.

[0056] To address the issues of the magnetic suction synchronization mechanism's inability to quickly adapt to changes in fabric width during laser cutting of multiple layers of fabric of varying widths, and the potential interference between the fixed components and the laser head's movement path during the cutting process, the following system is implemented: Before cutting multiple layers of fabric, the rectangular frame 93 and the entire adjustment and magnetic suction unit mounted on it are raised and lowered using the second hydraulic rod 92, based on the total thickness of the currently stacked fabric. This pre-adjusts the magnetic suction mechanism 11 to a suitable working height, ensuring that the first magnetic block 118 and the second magnetic block 122 above the fabric layer are within the effective magnetic force range. For fabrics of different widths, the second servo motor 101 is activated, driving the lead screw 102 to rotate. The receiving plate 106, which engages with the lead screw 102 through the threaded sleeve 105, moves precisely along the span direction of the first suspension frame 94 and the second suspension frame 95 (i.e., perpendicular to the fabric conveying direction) under the guidance and constraint of the sliding rod 103 and the sliding sleeve 104.Therefore, the lateral position of the multiple rows of first magnetic blocks 118 can be precisely aligned with the second magnetic blocks 122 within the width of the fabric, achieving optimal configuration of the magnetic coupling points. During the conveying phase, by activating the third servo motor 115, the connected drive rods 114 are driven to rotate. Through the second gear 116 and the second gear belt 117, all drive rods 114 begin to rotate in the same direction and at the same speed, subsequently causing the first magnetic blocks 118 fixed to the end of each drive rod 114 to rotate accordingly. Furthermore, when a specific magnetic pole of the first magnetic block 118, such as the N pole, rotates close to the fabric, it interacts with the magnetic blocks fixed to the storage area. The second magnetic block 122 on cylinder 121 generates a strong attractive force; when rotated away, the attractive force weakens, forming an effective non-contact traction, ensuring that the adsorbed fabric layer remains synchronized with the pressure plate 81 and conveyor belt 31 above, preventing interlayer slippage; when the fabric is conveyed to the cutting station and needs to be pressed and cut, the adjusting mechanism 10 can quickly move the magnetic attraction mechanism 11 laterally outside the cutting area; at the same time, the support assembly 9 can lift it as a whole, completely detaching it from the space above the cutting head, completely avoiding any interference with the downward-pressing pressure plate 81 or the moving laser cutter 7; and Furthermore, during the gear transmission process using gear 116 and gear belt 117, all the first magnetic blocks 118 rotate accordingly, causing the attracted second magnetic blocks 122 to rotate as well. This allows a small amount of fabric to be wrapped around the surface of the storage cylinder 121 before reaching the cutting area, thanks to the combined effects of magnetic attraction and gear transmission. This prevents the fabric from being affected by the laser airflow and falling off during the cutting process. Moreover, after laser cutting, since multiple layers of fabric are cut simultaneously, to avoid heat conduction causing adjacent fabrics to stick together, the third servo can be restarted. Motor 115, using its rotational force, causes the storage cylinder 121 to rotate again, thereby using its rotational traction force to pull and roll up the cut ends of each layer of cut fabric, preventing them from being difficult to detach during subsequent cooling; at the same time, when it is necessary to collect the cut fabric in a unified manner, simply start the third servo motor 115 in reverse to rotate, and under the magnetic attraction, make the storage cylinder 121 rotate counterclockwise, thereby allowing the wrapped fabric to slowly detach from the storage cylinder 121, and finally turn off the electric suction pump 123. At this time, without suction, the fabric naturally slides into the collection hopper 13 due to gravity.

[0057] In use, this invention first involves configuring a corresponding number of pressure plates 81 according to the number of layers of fabric to be cut. These pressure plates 81 are elastically connected into compressible layers by spring rings 82 at the four corners, and are laterally guided by side baffles 83 on the bottom pressure plate 81. Then, the winding rod 5 with the fabric wound on it is installed on the auxiliary mechanism 4, and the locking plates 51 at both ends are embedded into the locking slot frame 47. After covering the second support frame 48, the first locking sleeve 49 and the second locking sleeve 410 are tightened for secure fastening. Subsequently, the multi-layered fabric ends leading out from each winding rod 5 are respectively guided to the pressure plate 81 of the corresponding layer, completing the process. Spatial division and initial positioning; then, the first servo motor 34 is started, driving the rotating rod 32 to rotate. On the one hand, the support roller drives the conveyor belt 31 to run, and on the other hand, through the transmission of the second pulley 44, belt 43 and the first pulley 42, all the bearing rods 41 are driven to rotate synchronously, thereby ensuring that each winding rod 5 releases material at the same speed, ensuring uniform fabric tension from the source; at the same time, the suction mechanism 12 at the bottom of each pressure plate 81 is started, the electric suction pump 123 works, and negative pressure is generated through the anti-clogging breathable net 126, which gently adsorbs the corresponding layer of fabric onto the bottom surface of the pressure plate 81, and the magnetic suction mechanism 11 is then activated. Initially, its height is adjusted by the second hydraulic rod 92 of the support assembly 9, and its lateral position is adjusted by the second servo motor 101 driving the lead screw 102, so that the first magnetic block 118 is aligned with the second magnetic block 122 on the suction mechanism 12. The magnetic attraction between them forms a non-contact lateral traction coupling, ensuring that each layer of fabric being attracted can move synchronously with the conveyor belt 31, achieving precise "pre-alignment" conveying without slippage. Then, when the multi-layer fabric is synchronously conveyed to the cutting station below the laser cutter 7, the conveying stops, and the magnetic attraction mechanism 11 quickly engages with the support assembly 9 through the adjustment mechanism 10. The material is moved out and lifted to avoid the cutting area. Then, the first hydraulic rod 86 is activated, pushing the support plate 84 and L-shaped plate 87 downward, forcing the entire stack of pressure plates 81 to overcome the elastic force of the spring coil 82 and press down as a whole. The spring coil 82 ensures that the pressure is evenly distributed in each layer, thus pressing each layer of fabric firmly and securely onto the conveyor belt 31. At this time, the linear motor 6 drives the laser cutter 7 to cut at high speed along the preset path. During this process, since the fabric layers have been firmly fixed, interlayer slippage caused by cutting heat or airflow disturbance is effectively prevented, ensuring the complete consistency of the cutting pattern between each layer. Finally, after the cutting is completed, the first hydraulic rod 86 retracts, and the stack of pressure plates 81 rises and resets under the restoring force of the spring coil 82, releasing the fixation. The conveying mechanism 3 is activated again to continue conveying the cut segments forward, eventually falling into the collection hopper 13 at the end of the frame 1. At the same time, new fabric segments are synchronously conveyed to the cutting station with the cooperation of the suction mechanism 12 and the magnetic suction mechanism 11, and the equipment enters the next working cycle.

[0058] This invention encompasses any substitutions, modifications, equivalent methods, and solutions made within the spirit and scope of this invention. To provide the public with a thorough understanding of this invention, specific details are described in detail in the following preferred embodiments; however, those skilled in the art will fully understand the invention even without these details. Furthermore, to avoid unnecessary misunderstanding of the essence of this invention, well-known methods, processes, procedures, components, and circuits are not described in detail.

[0059] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A laser precision cutting device, comprising a rack (1), a supporting table (2) is fixedly installed inside the rack (1); characterized in that, The outer surface of the support table (2) is provided with a conveying mechanism (3) for conveying cloth, the conveying mechanism (3) comprises a conveyor belt (31) wrapped on the outer surface of the support table (2) and a power assembly for driving the conveyor belt (31) to move; the rear end of the rack (1) is fixedly provided with a linear motor (6), and the output end of the linear motor (6) is provided with a laser cutter (7) for cutting cloth; the conveyor belt (31) is provided with a limiting mechanism (8) above for separating multiple layers of cloth; Wherein, the limiting mechanism (8) comprises a plurality of pressing plates (81) arranged above the conveyor belt (31), spring rings (82) are fixedly connected at the four corners between the pressing plates (81), and side baffles (83) are fixedly connected on both sides of the upper surface of the bottommost pressing plate (81); and support plates (84) and L-shaped plates (87) are fixedly connected on both sides of the upper surface of the topmost pressing plate (81) and penetrate through the rack (1), and the upper surfaces of the support plates (84) and the L-shaped plates (87) are provided with fixed blocks (85) fixedly connected with the rack (1) and first hydraulic rods (86) for providing downward pressure to the pressing plates (81); the bottom of the pressing plate (81) is provided with an air suction mechanism (12) for adsorbing cloth, and both sides of the inside of the rack (1) are provided with magnetic attraction mechanisms (11) for driving the cloth to move synchronously; the multiple pressing plates (81) separate the multiple layers of cloth, and the air suction mechanism (12) and the magnetic attraction mechanism (11) are used to adsorb the cloth and drive the cloth to synchronously convey the multiple layers of cloth; when reaching the cutting area, the pressing plates (81) are pressed downward by the first hydraulic rods (86) to fix the cloth, so as to ensure the stability of the cloth cutting.

2. The laser precision cutting apparatus according to claim 1, wherein The bottom of the rack (1) is slidably connected with a collecting hopper (13), the power assembly comprises a rotating shaft (32) arranged on both sides of the support table (2), the outer circular surface of the rotating shaft (32) is fixedly connected with a support roller, both ends of the rotating shaft (32) are fixedly connected with a first gear (33), the outer surface of the first gear (33) is sleeved with a first gear belt (35), and one side of the output end of the rack (1) is provided with a first servo motor (34) fixedly connected with the rotating shaft (32); the first servo motor (34) drives the rotating shaft (32) to rotate, so as to further drive the conveyor belt (31) on the support roller to rotate, so as to ensure the normal conveying of the cloth.

3. The laser precision cutting apparatus according to claim 2, wherein The front end of the rack (1) is provided with a plurality of winding rods (5) for winding cloth, and the two ends of the winding rod (5) are provided with auxiliary mechanisms (4) for cooperating with the conveying mechanism (3) to synchronously convey the multiple layers of cloth; the auxiliary mechanism (4) comprises a plurality of bearing rods (41) arranged at the front conveying end of the rack (1), the bearing rod (41) is rotatably connected to the inside of the rack (1), and the bearing rod (41) is fixedly connected with a stop block (45) close to the inner side wall of the rack (1); the two ends of the rotating rod (32) located at the front conveying end of the rack (1) are fixedly connected with a second belt pulley (44), one end of the bearing rod (41) penetrates through the rack (1) and is fixedly connected with a first belt pulley (42), and the outer surfaces of the second belt pulley (44) and the first belt pulley (42) are jointly provided with a belt (43); the other end of the bearing rod (41) is provided with a receiving assembly for supporting the winding rod (5).

4. The laser precision cutting apparatus according to claim 3, wherein The receiving assembly comprises a first barrel holder (46) fixedly connected to the other end of the bearing rod (41), the outer surface of the first barrel holder (46) is fixedly connected with a clamping groove holder (47), the outer surfaces of the two ends of the winding rod (5) are provided with clamping plates (51) matched with the clamping groove holder (47), the upper surface of the winding rod (5) is covered with a second barrel holder (48) matched with the first barrel holder (46), and the two ends of the first barrel holder (46) are respectively threadedly connected with a first locking sleeve (49) and a second locking sleeve (410).

5. The laser precision cutting apparatus according to claim 1, wherein The inside of the rack (1) is provided with an adjusting mechanism (10) for changing the position of the magnetic attraction mechanism (11) and a supporting assembly (9) for supporting the adjusting mechanism (10); the cloth is adsorbed by the air suction mechanism (12), the magnetic attraction mechanism (11) is used to maintain the synchronous movement of the adsorbed cloth along the conveying direction of the conveyor belt (31), so as to ensure the synchronous transportation of the multiple layers of cloth.

6. The laser precision cutting apparatus according to claim 5, wherein The air suction mechanism (12) comprises a receiving cylinder (121) arranged on one side of the bottom of the pressing plate (81), the two end faces of the receiving cylinder (121) are fixedly connected with second magnetic blocks (122), the inside of the receiving cylinder (121) is fixedly connected with an electric suction pump (123) at the middle position, one output end of the electric suction pump (123) is fixedly connected with a suction pipe (124), and the other output end is fixedly connected with a conveying pipe (127); one end of the suction pipe (124) is fixedly connected with a multi-channel guide pipe (125), the air suction end of the multi-channel guide pipe (125) is fixedly connected with a plug-proof breathable mesh (126), and the inner bottom of the receiving cylinder (121) is provided with a circular notch matched with the multi-channel guide pipe (125); one end of the conveying pipe (127) is fixedly connected with an exhaust pipe (128), and the inside of the receiving cylinder (121) and the second magnetic block (122) are both provided with an exhaust hole (129) matched with the exhaust pipe (128).

7. The laser precision cutting apparatus according to claim 6, wherein The plug-proof breathable mesh (126) is in a hemispherical hollow shape, and the bottom edge thereof is tangent to the outer circular surface of the receiving cylinder (121).

8. The laser precision cutting apparatus according to claim 5, wherein The support assembly (9) includes support plates (91) arranged at both ends of the rack (1), both ends of the bottom of the support plates (91) are fixedly connected with second hydraulic rods (92), one end of the second hydraulic rods (92) is fixedly connected with a rectangular frame (93), both sides of the rectangular frame (93) are fixedly connected with first suspension frames (94) and second suspension frames (95) for supporting the adjusting mechanism (10).

9. The laser precision cutting apparatus according to claim 8, wherein, The adjusting mechanism (10) includes a second servo motor (101) fixedly connected to one end of the second suspension frame (95), an output end of the second servo motor (101) is fixedly connected with a lead screw (102), and one end of the lead screw (102) is rotatably connected in the first suspension frame (94); the other end of the second suspension frame (95) is provided with a sliding rod (103) fixedly connected with the first suspension frame (94), the outer surface of the sliding rod (103) is slidably connected with a sliding sleeve (104), the bottom of the sliding sleeve (104) is fixedly connected with a receiving plate (106), one side of the receiving plate (106) is provided with a threaded sleeve (105) threadedly connected with the lead screw (102).

10. The laser precision cutting apparatus according to claim 9, wherein The magnetic attraction mechanism (11) includes fixed plates (111) fixedly connected to both ends of the bottom of the receiving plate (106), supports (112) are fixedly connected to the middle of both sides of the fixed plates (111), the fixed plates (111) are fixedly connected with limit seats (113) through the supports (112), the limit seats (113) and the interiors of the fixed plates (111) are rotatably connected with driving rods (114) arranged in a line, one end of the driving rod (114) located at the highest position penetrates through the fixed plate (111) and is fixedly connected with a third servo motor (115); the middle of the outer circumferential surface of the driving rod (114) is fixedly connected with a second gear (116), the outer circumferential surface of the second gear (116) is commonly sleeved with a second gear belt (117), and one side close to the limit seat (113) is provided with a first magnetic block (118) fixedly connected with the driving rod (114).

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